AX97-30680 Equivalent & Substitute Parts

Part Overview

The AX97-30680 is a 68 µH unshielded drum core wirewound inductor manufactured by Triad Magnetics, rated for 1.8 A continuous current with a maximum DC resistance of 200 mOhm. This surface mount component operates across the temperature range of -40°C to 85°C and is RoHS3 compliant. The part is currently active in production with 1027 units in stock.

Substitute parts are identified when equivalent inductance values, compatible current ratings, and matching core materials are available from alternative manufacturers. Substitution becomes necessary when the primary part reaches end-of-life status, supply constraints occur, or design requirements permit tolerance variations within acceptable engineering limits.

Substiute Parts

AX97-30680

Triad MagneticsIn Stock: 1098AX97-30680 Datasheet

Current PartRFQ

SRR1005-680Y

Bourns Inc.In Stock: 2081SRR1005-680Y Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AX97-30680 is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 68 µH (exact match required)
• Core type: Drum core, wirewound ferrite construction
• Mounting: Surface mount configuration
• Compliance: RoHS3 compliant status

Secondary Compatibility Factors:

• Current rating: Substitute must support minimum 1.8 A continuous operation or be suitable for reduced-current applications
• DC resistance: Substitute DCR must not exceed application thermal and efficiency requirements
• Operating temperature: Substitute range must encompass or exceed -40°C to 85°C minimum
• Package footprint: Physical dimensions must be compatible with PCB layout constraints

The SRR1005-680Y from Bourns Inc. qualifies as a substitute based on matching inductance, core type, ferrite material, and surface mount configuration. However, the substitute exhibits reduced current rating (820 mA versus 1.8 A) and increased DC resistance (340 mOhm versus 200 mOhm), requiring application-level verification of suitability.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (AX97-30680): The AX97-30680 is the preferred component for applications requiring the full 1.8 A current rating with minimal DC resistance losses. This part maintains active production status and RoHS3 compliance. Selection is appropriate for designs operating within the -40°C to 85°C temperature envelope.

Substitute Part Selection (SRR1005-680Y): The SRR1005-680Y is suitable as a substitute only in applications where the circuit current demand does not exceed 820 mA continuous operation. The increased DC resistance (340 mOhm versus 200 mOhm) results in higher power dissipation and must be evaluated against thermal design margins. The shielded construction of the substitute provides electromagnetic isolation benefits not present in the unshielded primary part. Both parts maintain RoHS3 compliance and ferrite drum core construction. The substitute offers an extended operating temperature range to 125°C, providing additional thermal margin for elevated-temperature environments.

Packaging Consideration: The primary part is supplied in box packaging, while the substitute is supplied in tape and reel format. This difference affects procurement, handling, and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SRR1005-680Y directly replace the AX97-30680 in all applications?

A: No. The SRR1005-680Y has a maximum current rating of 820 mA, compared to 1.8 A for the AX97-30680. Direct substitution is only valid in circuits where the operating current does not exceed 820 mA. Applications requiring the full 1.8 A rating require the primary part or an alternative rated for equivalent current.

Q: What is the impact of the increased DC resistance in the substitute part?

A: The SRR1005-680Y exhibits 340 mOhm maximum DC resistance versus 200 mOhm for the AX97-30680. This 70% increase in resistance results in proportionally higher I²R power dissipation. For a 1 A current, the substitute dissipates 340 mW compared to 200 mW in the primary part. Circuit thermal design must accommodate this additional heat generation.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the AX97-30680 and SRR1005-680Y are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

Q: What is the difference between shielded and unshielded construction?

A: The AX97-30680 is unshielded, while the SRR1005-680Y is shielded. Shielded construction reduces electromagnetic radiation and susceptibility to external magnetic fields. Selection between shielded and unshielded depends on circuit layout, proximity to sensitive components, and EMI/EMC requirements.

Q: How do the physical dimensions affect PCB layout compatibility?

A: The AX97-30680 measures 0.530" L x 0.370" W x 0.232" H (13.46mm x 9.40mm x 5.90mm), while the SRR1005-680Y measures 0.500" L x 0.394" W x 0.205" H (12.70mm x 10.00mm x 5.20mm). The substitute is slightly smaller in length and height but wider. PCB footprint and component placement must be verified for compatibility before substitution.

Q: What packaging formats are available for each part?

A: The AX97-30680 is supplied in box packaging, suitable for lower-volume applications and manual assembly. The SRR1005-680Y is supplied in tape and reel format, optimized for high-volume automated assembly processes. Packaging selection affects procurement strategy and assembly workflow.

Q: Can the substitute part operate at higher temperatures than the primary part?

A: Yes. The SRR1005-680Y operates across -40°C to 125°C, compared to -40°C to 85°C for the AX97-30680. The substitute provides an additional 40°C of upper temperature margin, making it suitable for elevated-temperature environments where the primary part reaches its thermal limit.